Q:Is it possible to use 4” non-patterned sapphire for fabrication?
A:Not possible, currently all the manufacturers swift to patterned sapphire based wafer, including us, however if you really need flat sapphire based wafer, we we can offer 2" size.
Contact Information
luna@powerwaywafer.compowerwaymaterial@gmail.com 
+86-592-5601 404
